Element block pseudo-element :before generated with margin 0px transform border-radius height auto float none display block border 0px rgba(0,0,0,1) solid box-sizing content-box width 160px cursor default overflow hidden font-size 16px line-height 1 font-weight normal background transition box-shadow 1px 1px 1px rgba(0,0,0,0.3) text-shadow 1px 1px 1px rgba(0,0,0,0.2) z-index auto padding 20px position static